US Bridges

Township Road 466 over Aldridge Run * Merce

Fair

Washington County, Ohio · .08 MI W of JCT SR 676 · Structure no. 8435995

Built
1932
93 years old, rebuilt 1986
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
209
2018 count
Owner
County
County Highway Agency

About this bridge

Township Road 466 over Aldridge Run * Merce is a prestressed concrete box beam or girders - multiple carrying Township Road 466 over Aldridge Run * Merce in Washington County, Ohio. It was built in 1932 and reconstructed in 1986, so it is 93 years old, older than the Ohio average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 209 vehicles a day, roughly 7% of them trucks, projected to reach 290 by 2038. The structure is 48 ft (14.7 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTownship Road 466
CrossesAldridge Run * Merce
Location.08 MI W of JCT SR 676
RouteCounty Highway T0466
CountyWashington County
StateOhio
Coordinates39.48349, -81.7928
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length48 ft (14.7 m)
Longest span45 ft (13.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic209 (2018)
Projected traffic290 by 2038
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road 466 over Aldridge Run * Merce built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1986.

What condition is Township Road 466 over Aldridge Run * Merce in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does Township Road 466 over Aldridge Run * Merce carry?

About 209 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is Township Road 466 over Aldridge Run * Merce?

The structure is 48 ft (14.7 m) long with a longest span of 45 ft (13.6 m) and a deck 20 ft wide.

Who owns Township Road 466 over Aldridge Run * Merce?

It is owned by the County Highway Agency.